html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  text-align: center;
  font-family: "Comic Sans MS", "Times New Roman", serif;
}

body {
  background: #000080;
  color: #ffff00;
}

[hidden] {
  display: none !important;
}

[data-gate],
main {
  width: 100%;
  height: 100%;
}

[data-gate] {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
}

[data-enter] {
  width: min(80vw, 700px);
  height: min(45vh, 300px);
  border: 5px outset #ddd;
  background: #c0c0c0;
  color: #000;
  font: bold clamp(2rem, 8vw, 4rem) "Times New Roman", serif;
  cursor: pointer;
}

[data-enter]:active {
  border-style: inset;
}

main {
  display: grid;
  grid-template-rows: auto 1fr;
}

h1 {
  margin: 6px;
  font-size: clamp(1.5rem, 5vw, 3rem);
}

img {
  align-self: center;
  display: block;
  width: min(72vw, 65vh);
  max-height: 72vh;
  height: auto;
  margin: auto;
}

audio {
  position: fixed;
  right: 8px;
  bottom: 8px;
  width: min(240px, calc(100vw - 16px));
}